B2 · Obere Mittelstufe Kapitel 15

Expressing Certainty and Logic

5 Gesamtregeln
51 Beispiele
5 Min.
Regeln in diesem Kapitel Schnelle Übung

Chapter in 30 Seconds

Master the art of logical deduction and unwavering certainty in natural Korean conversation.

  • Express logical probability based on external circumstances.
  • Deny possibilities and confirm absolute facts with authority.
  • Make educated guesses about the past and concede points gracefully.
Speak with conviction, reason with logic.

Was du lernen wirst

In this chapter, you're about to take a big leap and speak like a true Korean native! You'll move beyond just saying "I'm sure or I think"; you'll learn to precisely and subtly convey your level of certainty and logic in your speech. Imagine your friend hasn't arrived yet, and you see heavy traffic; by learning «-ㄹ/을 법하다,» you can say, "They're likely stuck in traffic." Or, when you're 100% sure something is impossible, with «-ㄹ 리가 없다,» you can decisively say, "There's no way!" In this lesson, you'll learn powerful tools like «-ㄹ/을 게 분명하다» to express yourself without a shred of doubt when you're absolutely certain about something. Wow, how great it is not to worry anymore! You can even use «-았/었을 것이다» to logically deduce about past events you didn't personally witness, like

They must have gone out yesterday.
These structures fit together like a puzzle, allowing you to express anything from a likely guess to absolute certainty in the best possible way. After this chapter, you'll be able to confidently express your opinions with reasoning and certainty in any conversation. You'll even learn how to use «-기는 하다» to concede a point politely before adding a small but and qualifying your statement. Ready for a much deeper and more authentic Korean conversation? Let's get started!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to describe likely scenarios using -ㄹ/을 법하다 based on logical reasoning.
  2. 2
    By the end you will be able to strongly negate impossible situations using -ㄹ 리가 없다.
  3. 3
    By the end you will be able to reconstruct past events logically using -았/었을 것이다.

Kapitel-Leitfaden

Overview

Welcome, B2 Korean learners! Are you ready to elevate your Korean grammar to a truly native-like level? This chapter is your gateway to expressing certainty and logic with precision and nuance.
Moving beyond simple I think or "I'm sure," you'll master expressions that allow you to convey exactly how confident you are about a statement, or how logically you've deduced something. This is a crucial step in achieving fluency and engaging in deeper, more authentic conversations.
At the B2 CEFR level, the expectation is to communicate effectively in a wide range of situations, and that includes expressing your thoughts with conviction and sound reasoning. By learning structures like -ㄹ/을 법하다 for likelihood, -ㄹ 리가 없다 for impossibility, -ㄹ/을 게 분명하다 for absolute certainty, and -았/었을 것이다 for logical past deductions, you'll gain the tools to articulate your opinions with confidence. You'll even learn -기는 하다 to gracefully concede a point before introducing a counter-argument.
These advanced Korean grammar patterns will make your speech more sophisticated and natural, helping you sound less like a textbook and more like a native speaker.

How This Grammar Works

Let's dive into the powerful tools for expressing certainty and logic in Korean. First, for expressing that something is logically likely or probable, we use -ㄹ/을 법하다. This structure suggests that based on circumstances, something seems like it could reasonably happen.
For instance, «그는 바빠서 못 올 법해요» (He's busy, so he's likely unable to come). When you're absolutely certain that there's no way something could be true, you'll use -ㄹ 리가 없다. It conveys strong disbelief or a logical impossibility.
For example, «그가 거짓말을 했을 리가 없어요» (There's no way he lied).
To express absolute certainty, when you have no doubt whatsoever, the phrase -ㄹ/을 게 분명하다 is your go-to. It means "it's clear that or it must be. Imagine saying, 내일 비가 올 게 분명해요" (It's definitely going to rain tomorrow). For making a logical past guess, like deducing what must have happened, we use -았/었을 것이다.
This is perfect for speculating about past events you didn't witness but can logically infer. For example, «그는 어제 집에 일찍 갔을 거예요» (He must have gone home early yesterday). Finally, to acknowledge with a 'but', or to concede a point before offering a qualification, we use -기는 하다.
This softens your statement and adds nuance. For instance, «맛있기는 한데, 너무 비싸요» (It is delicious, but it's too expensive). Mastering these B2 Korean grammar structures will significantly enhance your expressive capabilities.

Common Mistakes

  1. 1✗ Wrong: «비 올 것 같아.» (Sounds too casual/simple for strong certainty)
✓ Correct: «비가 올 게 분명해요.» (It's definitely going to rain.)
*Explanation:* While «것 같다» expresses probability, -ㄹ/을 게 분명하다 conveys a much stronger, almost undeniable certainty, which is what the speaker truly intends here.
  1. 1✗ Wrong: «그가 어제 집에 일찍 가야 했어.» (This implies 'had to go,' not 'must have gone' as a deduction)
✓ Correct: «그는 어제 집에 일찍 갔을 거예요.» (He must have gone home early yesterday.)
*Explanation:* -았/었을 것이다 is specifically for logical deduction about past events. «가야 했어» means he *had* to go, indicating obligation, not inference.
  1. 1✗ Wrong: «이 음식은 맛있어. 하지만 비싸.» (A bit blunt, lacks nuance)
✓ Correct: «이 음식은 맛있기는 한데, 너무 비싸요.» (This food is delicious, but it's too expensive.)
*Explanation:* -기는 하다 acknowledges the positive aspect (delicious) first, then gently introduces the negative (expensive), making the statement more polite and nuanced than a direct but.

Real Conversations

A

A

지영 씨가 아직 안 왔네요. (Jiyoung hasn't arrived yet.)
B

B

길이 많이 막히는 걸 보니, 늦을 법해요. (Seeing the heavy traffic, she's likely going to be late.)
A

A

그 어려운 시험에 그가 합격했을까요? (Do you think he passed that difficult exam?)
B

B

그가 밤새 공부한 걸 보면, 합격했을 리가 없어요. (Considering he studied all night, there's no way he didn't pass. / He must have passed.)
A

A

이 프로젝트는 내일까지 끝낼 수 있을까요? (Can we finish this project by tomorrow?)
B

B

팀원들이 열심히 하고 있으니, 분명히 끝낼 수 있을 게 분명해요. (Since the team members are working hard, it's clear we'll be able to finish it.)

Quick FAQ

Q

What's the main difference between -ㄹ/을 법하다 and just using 아마 (probably)?

While 아마 expresses general probability, -ㄹ/을 법하다 specifically implies that something is *logically reasonable* or *plausible* given the circumstances, often based on common sense or observable facts. It adds a layer of reasoned deduction.

Q

Can -았/었을 것이다 be used for future deductions?

No, -았/었을 것이다 is exclusively for logical deductions about *past* events. For future deductions, you would typically use -ㄹ/을 것이다 (e.g., «내일 비가 올 것이다» - It will probably rain tomorrow).

Q

Is -ㄹ 리가 없다 considered informal?

No, -ㄹ 리가 없다 is a versatile expression usable in both formal and informal contexts. Its formality depends more on the politeness level of the ending (e.g., -ㄹ 리가 없어요 vs. -ㄹ 리가 없어).

Q

When is -기는 하다 more appropriate than a simple yes, but...?

-기는 하다 is perfect when you want to acknowledge a point or agree with something, but immediately want to add a caveat, a criticism, or a different perspective. It softens the but and shows you've considered the other side.

Cultural Context

These expressions of certainty and logic are deeply embedded in how native Korean speakers communicate, reflecting a culture that values thoughtful consideration and polite nuance. Using structures like -ㄹ/을 법하다 allows for logical reasoning without sounding overly assertive, while -기는 하다 enables polite disagreement or qualification, crucial in a high-context society. You'll hear these B2 Korean grammar patterns frequently in everyday conversations, news analysis, and even debates, as they allow speakers to express strong opinions with appropriate levels of confidence and deference.
Mastering them will not only improve your grammar but also your cultural understanding.

Wichtige Beispiele (8)

1

이 시간쯤이면 차가 막힐 법해요.

Um diese Zeit ist es wahrscheinlich, dass es Stau gibt.

Logische Vermutung: -ㄹ/을 법하다
2

그 식당은 리뷰가 많아서 맛있을 법해.

Das Restaurant hat so viele Bewertungen, es muss fast schon lecker sein.

Logische Vermutung: -ㄹ/을 법하다
3

James-ga geu don-eul humchyeoss-eul li-ga eops-eoyo.

Es kann unmöglich sein, dass James das Geld gestohlen hat.

Auf keinen Fall... (-ㄹ 리가 없다)
4

Beolsseo maejin-il li-ga eopseo! Il-bun-bakk-e an jinatneunde.

Unmöglich, dass es schon ausverkauft ist! Es ist erst eine Minute vergangen.

Auf keinen Fall... (-ㄹ 리가 없다)
5

그 영화는 재미있을 게 분명해요.

Ich bin sicher, dass der Film Spaß machen wird.

Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)
6

그는 벌써 잤을 게 분명해요.

Ich bin sicher, dass er schon schläft.

Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)
7

어제 비가 많이 `왔을 거예요`. 땅이 다 젖어 있거든요.

Es muss gestern viel geregnet haben. Der Boden ist nämlich ganz nass.

Logische Vermutung der Vergangenheit: 'Muss getan haben' (-았/었을 것이다)
8

민수 씨는 벌써 `퇴근했을 거예요`. 사무실 불이 꺼져 있어요.

Minsu muss schon Feierabend gemacht haben. Das Licht im Büro ist aus.

Logische Vermutung der Vergangenheit: 'Muss getan haben' (-았/었을 것이다)

Tipps & Tricks (4)

💡

Der 'Na klar'-Faktor

Verwende das, wenn das Ergebnis für jeden offensichtlich ist, der die Fakten kennt. Es schwingt immer ein 'natürlich' mit: «그렇게 연습했으니 이길 법해요.»
frontend.learn_grammar.from_rule: Logische Vermutung: -ㄹ/을 법하다
💬

Drama Queen Modus

Dieser Ausdruck ist ein absoluter Klassiker in K-Dramas, besonders bei großen Enthüllungen. Meistens wird er dramatisch gerufen: «말도 안 돼! 그럴 리가 없어!»
frontend.learn_grammar.from_rule: Auf keinen Fall... (-ㄹ 리가 없다)
🎯

Das '게' ist der Schlüssel

Merk dir einfach, dass '게' nur '것이' in Freizeitkleidung ist. Mit '게' klingst du in Gesprächen sofort viel natürlicher und flüssiger: «재미있을 게 분명해요.»
frontend.learn_grammar.from_rule: Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)
🎯

Die 'Beweis'-Regel

Nutze diese Form immer dann, wenn du ein Indiz für deine Vermutung hast. Wenn der Boden nass ist, passt: «어제 비가 왔을 거예요.»
frontend.learn_grammar.from_rule: Logische Vermutung der Vergangenheit: 'Muss getan haben' (-았/었을 것이다)

Wichtige Vokabeln (6)

분명하다 to be clear/certain 이유 reason 교통 체증 traffic jam 인정하다 to admit/acknowledge 가능성 possibility 확실히 certainly/definitely

Real-World Preview

clock

The Late Friend

Review Summary

  • V/A + -ㄹ/을 법하다
  • V/A + -ㄹ/을 리가 없다
  • V/A + -았/었을 것이다

Häufige Fehler

The pattern is almost exclusively used with '없다' to show impossibility. Using '있다' makes it a rhetorical question which is much rarer.

Wrong: 그가 올 리가 있어요? (Is there a way he's coming?)
Richtig: 그가 올 리가 없어요. (There's no way he's coming.)

In spoken Korean, -ㄹ 것이에요 is almost always contracted to -ㄹ 거예요. Using the uncontracted form sounds overly stiff.

Wrong: 어제 갔을 것이에요.
Richtig: 어제 갔을 거예요.

-기는 하다 feels incomplete without a contrasting clause (하지만/한데). It is used to concede a point before adding a 'but'.

Wrong: 그는 똑똑하기는 해요. (He is smart.)
Richtig: 그는 똑똑하기는 하지만 공부는 안 해요. (He is smart, but he doesn't study.)

Regeln in diesem Kapitel (5)

1

Logische Vermutung: -ㄹ/을 법하다

B2
Nutze «-ㄹ/을 법하다», wenn eine Vermutung auf logischen Fakten basiert und nicht nur auf deinem Bauchgefühl. Es ist das sprachliche Äquivalent zu
Es liegt im Bereich des Möglichen
oder
Es macht Sinn, dass...
.
이 시간쯤이면 차가 막힐 법해요.
10 Beispiele
2

Auf keinen Fall... (-ㄹ 리가 없다)

B2
Nutze -ㄹ/을 리가 없다, wenn du dir zu 100 % sicher bist, dass etwas logisch unmöglich oder absolut unwahr ist. Deine Werkzeuge dafür sind «-ㄹ 리가 없다», «-을 리가 없다» und «일 리가 없다».
James-ga geu don-eul humchyeoss-eul li-ga eops-eoy...
10 Beispiele
3

Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)

B2
Nutze «-ㄹ/을 게 분명하다» für totale Sicherheit und «-일 게 분명하다» für felsenfeste Überzeugungen bei Nomen.
그 영화는 재미있을 게 분명해요.
10 Beispiele
4

Logische Vermutung der Vergangenheit: 'Muss getan haben' (-았/었을 것이다)

B2
Nutze -았/었을 것이다 für logische Schlussfolgerungen über die Vergangenheit, wenn du klare Indizien hast. Deine Power-Pills: Logik, Beweise und Vermutung.
어제 비가 많이 `왔을 거예요`. 땅이 다 젖어 있거든...
10 Beispiele
5

Zugeben mit einem „Aber“ (-기는 하다)

B2
Nutze «-기는 하다», um erst einmal zuzustimmen, bevor du dein höfliches „Aber“ mit den Pillen «-기는 하다», «-긴 하다» oder «-기는 하지만» einleitest.
그 영화가 재미있기는 한데 너무 길어요.
11 Beispiele

Next Steps

You've just added a layer of sophistication to your Korean that many learners never reach. You are now capable of debating and reasoning like a true B2 speaker!

Watch a Korean mystery drama and narrate your theories using -ㄹ 게 분명해요.

Write 5 sentences about your childhood using -았/었을 것이다 for things you don't remember clearly.

Continue to: Inevitability and Close Calls

Schnelle Übung (10)

Finde den Fehler im Satz.

Find and fix the mistake:

그 사람은 한국 사람일 게 분명하다요.

✓ Correct! ✗ Not quite. Correct answer: 그 사람은 한국 사람일 게 분명해요.
Die höfliche Endung für 분명하다 ist 분명해요, nicht 분명하다요.

frontend.learn_grammar.from_rule: Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)

Welcher Satz nutzt das Muster für Zugeständnisse korrekt?

Wähle den natürlichsten Satz für 'Es ist zwar billig, aber nicht gut':

✓ Correct! ✗ Not quite. Correct answer: 싸기는 한데 좋지 않아요.
Adjektivstamm '싸-' + '-기는' + '한데' ist der richtige Weg, um zwei gegensätzliche Gedanken zu verbinden.

frontend.learn_grammar.from_rule: Zugeben mit einem „Aber“ (-기는 하다)

Welcher Satz ist natürlicher, um starke Überzeugung auszudrücken?

Du siehst eine lange Schlange vor einem Restaurant und willst sagen, dass es definitiv lecker ist.

✓ Correct! ✗ Not quite. Correct answer: 이 식당은 맛있을 게 분명해요.
-ㄹ 게 분명해요 drückt eine viel stärkere Gewissheit aus als -ㄹ 것 같아요.

frontend.learn_grammar.from_rule: Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)

Vervollständige den Satz: 'Es ist eine Geschichte, die plausibel erscheint.'

그것은 그럴 ___ 이야기예요.

✓ Correct! ✗ Not quite. Correct answer: 법한
그럴 법하다 bedeutet 'plausibel/wahrscheinlich sein'.

frontend.learn_grammar.from_rule: Logische Vermutung: -ㄹ/을 법하다

Fülle die Lücke aus, um auszudrücken: 'Ich mag es zwar, aber...'

피자를 좋아___ 한데 너무 비싸요.

✓ Correct! ✗ Not quite. Correct answer: 기는
Um zuzugeben, dass du etwas magst, aber Vorbehalte hast, nutzt du das Muster '-기는'.

frontend.learn_grammar.from_rule: Zugeben mit einem „Aber“ (-기는 하다)

Fülle die Lücke aus, um Sicherheit auszudrücken.

내일은 날씨가 ___ 분명해요. (좋다)

✓ Correct! ✗ Not quite. Correct answer: 좋을 게
Das Adjektiv '좋다' endet auf einen Konsonanten, also hängen wir -을 게 an.

frontend.learn_grammar.from_rule: Absolute Gewissheit ausdrücken (-ㄹ/을 게 분명하다)

Finde und korrigiere den Fehler in der Kurzform.

한국어가 어렵긴은 하지만 재미있어요.

✓ Correct! ✗ Not quite. Correct answer: Beides ist korrekt.
'-긴' ist die Verkürzung von '-기는', aber du kannst nicht beides mischen wie in '긴은'. Nutze entweder die volle oder die kurze Form.

frontend.learn_grammar.from_rule: Zugeben mit einem „Aber“ (-기는 하다)

Was passt am besten für: 'Da er so viel geübt hat, macht es Sinn, dass er gewinnt.'

연습을 많이 했으니 ___.

✓ Correct! ✗ Not quite. Correct answer: 이길 법해요
Während '이길 것 같아요' auch geht, betont '이길 법해요' die LOGIK hinter dem Sieg (Übung -> Sieg).

frontend.learn_grammar.from_rule: Logische Vermutung: -ㄹ/을 법하다

Korrigiere die Leerzeichen.

Find and fix the mistake:

그는성공할법하다.

✓ Correct! ✗ Not quite. Correct answer: 그는 성공할 법하다.
Standardmäßig setzt man ein Leerzeichen zwischen das Partizip (성공할) und den Ausdruck (법하다).

frontend.learn_grammar.from_rule: Logische Vermutung: -ㄹ/을 법하다

Finde den Fehler in der Schreibweise (Leerzeichen).

Find and fix the mistake:

그가집에갈리가없다.

✓ Correct! ✗ Not quite. Correct answer: 그가 집에 갈 리가 없다.
Vor '리' (Nomen) und vor '없다' muss ein Leerzeichen stehen. Das '가' klebt als Partikel direkt an '리'.

frontend.learn_grammar.from_rule: Auf keinen Fall... (-ㄹ 리가 없다)

Score: /10

Häufige Fragen (6)

Klar! Benutze einfach die Form «-었/았을 법하다». Das bedeutet dann: 'Es ist wahrscheinlich, dass [X] passiert ist', basierend auf dem, was du jetzt weißt. «그랬을 법해요».
«그럴 법하다» geht um logische Gültigkeit. «그럴 듯하다» bedeutet eher, dass etwas plausibel *klingt*, aber es könnte auch nur oberflächlich so wirken. «그럴 법해요» ist fundierter.
Das Wort '리' leitet sich vom Hanja-Zeichen 理 (Logik/Vernunft) ab. Du findest es auch in Wörtern wie 이해 (Verständnis). Du sagst also wortwörtlich:
Die Logik existiert nicht.
Ein Beispiel wäre: «그럴 리가 없어요.»
Na klar! Wenn dich jemand einer Sache beschuldigt, die du nie tun würdest, sagst du: «내가 그럴 리가 없어» (Unmöglich, dass ich so etwas tun würde). Das ist perfekt, um deine Unschuld zu betonen.
-ㄹ 것이다 ist ein allgemeines Futur oder eine einfache Vermutung. -ㄹ 게 분명하다 fügt eine starke Ebene von 'Gewissheit' hinzu: «그는 갈 게 분명해요.»
Ja! Nutze einfach -았/었을 게 분명하다. Zum Beispiel: «그는 이미 밥을 먹었을 게 분명해요» (Ich bin sicher, er hat schon gegessen).
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